What research? All lies written by well paid "economists" and "experts" to keep the public ignorant. Fractional reserve should not exist and interest should not exist, period. Why do think charging interest (on a loan) is forbidden in the Bible and other holy books and the only blessed currency is gold?
What sort of research? You mean the economic history that examines the episodes that I have described?
No, mathematically impossible. You cannot create money out of nothing and back it up with gold, unless you can also create gold out of nothing. The whole fractional reserve system is evil and the cause of the financial mess we are in today.
Weren't banks doing that before? You deposit $100 in a checking account and then bank lends out $90. All $100 is backed by gold in the federal reserve vaults. I'm basing this on what I read on Investopedia, so I may be missing something big here.
Yes, you most definitely could... In fact, it was a relatively common setup in many places for a good long while.
Take a look at this video and see how complex (or easy!) the fractional reserve system is: https://www.youtube.com/watch?v=iFDe5kUUyT0
In particular the data that supports your comment that "Full reserve banking is incompatible with free mkt capitalism." I presume you have some basis for that beyond just your opinion and I would like to research it further.